Home / 37,676.52-51,992.58-20,680.74

Finding the Fourth Proportional to 37,676.52, 51,992.58 and 20,680.74

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Solution

The fourth proportional to 37,676.52, 51,992.58 and 20,680.74 is: 28,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.52 : 51,992.58 = 20,680.74 : x
  2. Step 2: Convert to fraction form
    37,676.52/51,992.58 = 20,680.74/x
  3. Step 3: Cross multiply
    37,676.52x = 51,992.58 × 20,680.74
  4. Step 4: Simplify right side
    37,676.52x = 1,075,245,028.91
  5. Step 5: Solve for x
    x = 1,075,245,028.91/37,676.52
  6. Step 6: Final answer
    x = 28,538.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.